Dumping mechanism.



T. A. EDISON.

DUMPING ME APPLICATION FILED D GHANISM.

Patented Mar. 11, 1913.

Jim/6 f men.

THOMAS EDISON, OF WEST ORANGE. NEW JERSEY.

DUMPING MECHANISM.

Specification of Letters Patent.

1 atclited Mar. 11, 1913.

Original application filed January 13, 1903. Serial No. 138.813. Dividedand this application filed December 1. 1911. Serial No. 663,399.

Be it known that l, Tnonvs A. EDISON, a citizen of the United States, and a resident of \Vest Orange, in the county of Essex and State of Newllersey, have invented certain nev and useful Improvements in Dumping Mechanism, of which the following is a specification.

This application is a division of my application Serial No. 138,813, filed January 13, 1903 for giant rolls. My application Serial vNo. 138,813 relates to improvements 1n giant rolls of the type covered by my patents of April 23, 1901, numbered 672,616 and 672,617 respectively, in which two rolls ot great weight are employed, driven independently in opposite directions, with means for feeding charges of rock periodically to the gap between the rolls, whereby the rock is broken by kinetic energy, and the object of the invention disclosed in the said application is to improve the construction and increase the etliciency of apparatus of th s type. In apparatus of the type disclosed in my aforesaid application and patents, he rock or other materials to be broken are fed intermittently to the rock crushing rolls through a hopper.

The invention of my present application relates to mechanism for dumping the materials into the hopper, and more particularly to improvements in the mechanism for effectively handling the skips containing the rock to bebrokcn, and for presenting the rock to the action of the breaking rolls.

My invention consists also in the details of construction and combinations of parts more fullyhereinafter described and claimed.

In order that the invention may be better understood, attention is directed to the accompanying drawing forming a part of this specification, and in which the figure shows rock breaking apparatus provided with one embodimentof my improved dumping mechanism. I

Carried on suitable formulation beams 1, are the side frames 2 of the giant rolls 3, 3, the shafts of the latter being mounted in heavy pillow blocks 4- secured to but longitudinah adjustable on the side frames. Each of the giant rolls is driven by a small auxiliary motor 5, 5, a steam engine being shown as the preferred example, Whose connecting rod is connected directly with the crankon the shaft of each roll. 'l he pillow blocks 4, 4 are rigidly connected by tie bolts (3, and the gap between the rolls is regulated by a spacing block 7 placed between the pillow blocks. The motors 5, are connected and are adjustable longitudinally with the pillow blocks, so that the relation between the motors and the rolls remains unchanged irrespective of the adjus ment of the rolls to vary the width of, the gap. Mounted above the giant rolls is a heavy casing or hopper 11, through which falls the material to be operated upon. At the p of this casing at one side is a roller feed 12 operated by a motor 13 illustrated as an electric motor. The motor drives a countershaft 14, through gearing l5, and the coun tershatt drives the roller feed 12 through suit-able gearing 16., The countershaft 11 is provided with a clutch 17 operated by a lever 18 of any approved form, and by means of which the roller feed 12 may be stopped and started at will. The rock to be broken is contained in skips 19 carried on flat cars running on suitable tracks. Each skip is formed with an eye '20 at its rear end with which a book 21 is adapted to engage, the hook being flexibly connected to a cable 2" carrying a weight 23 at its lower end, running over pulleys, 24, 24:, and extending around a winding drum This Winding drum is operated by suitable gearing from a motor 26, shown as an electric motor. The run of the cable 22 between the pulleys 24-, :24, is so disposed that when the winding drum is operated, the hook will automatically engage the eye of the skip, sliding the skip oil of the car along the platform 27, until its forward end engages a projection 2] immediately behind the roller feed 12 and tilting the skip to the position shown in dotted lines in the figure, so as to dis charge its contents onto the roller feed. The table 27 is made preferably of polished chilled iron, so that the skip will slide freely over the same in the unloading operation. Below the giant rolls, I form a hopper 28 having a roller feed 29 operated in any suitable manner and movable in the direc-- tion of the arrow. This roller feed is located-at the-bottom of the discharge from the hopper 28, and at the other side of the discharge therefrom I mount a roller 30 hose function is to'prevent the material from clogging or bridging within the hoptied the p01. lion a; the roller feed 91) and may he operated from the iat'ter lrv a helt 31. ing 732 ix arranged heyond the roller l'eed llelow the 'asing I show a pair of (trashingor grinding rolls 3-1- of any snilal'ile type, discharging into a hopper or ehnte 3.7.

ln operalion lha motors 5 independently drive the giant rolle at a high Slllll rlt'ffi \eloeity so that t e rolls ael praetieally as enornioii:sl heavy ilyirheele. The cru ihing rolls ll are op: ated from any suitable Rom-(e o'l' powei: roller feed 29 and roller 30 are also ((Hzl :lilllffll) operated, and the roller l eed 12 is operated from the motor 13. A loaded -ar i now ll'|()\'t(l up on the track oppoeite the roller l'eed l9, and the motor 26 is; started. winding; the e: hlea upward, en-

"ing the hooli all with the eye. 20 on the :ltip. Sliding the ship sidewise until its l'or ward end engage; the n'oieetion 2 7' at the 'lront of the table 27, and then tilting the drip upward so that. itS' eontients are discharged onto the roller 'l eed. By means of the latter the materialt is projected into the easing lJ. and falls may the gap between the giant rollsy When the Ship has been empniotor 26 is reversed or if the is of snllicient in: power is simi from the motor 526 so that. the descent *Tl he weight will reverse the motor, returning: the skip to its ori '12 position and antomal'ieally disengaging the hook "from the eye 'so that a loaded ear can be moved in place and the unloading operations r iealed. The broken material rolls is discharged in the hopper and rear the latter is eontiinionsly fed from the roller feel 1; 9 lo the ernshing or grind inn rolls 3 by \i'hieh a inrlher oi the material is eli eeted My improved dumping nieehanisn'i particularly adapted i'or use with rock erush- 'n apparatus, see-h as is (leserihed and claimed in the application and patents here inhel'ore mentioned, but not limited to use with such appa altos.

Having now described my inventicm, who; I claim as new therein and desire to protect. by Letters Patent is follows:- L In apparatus of the class descriheih redaction from the The roller turns in the Same direcl the (elimination of a skip, a cable provided.

with in ans to engage and move the ltip in the l'orward nioveizient oil' lhe "able. means to more the eahle lorn'ard, means adapted to cooperate with the ship in its movement to ti t and dump the same, and means for anlomatieallv disengaging the skip and returninn th ahle to its initial position, anlislantiall as (l(r;( 'ioed.

2. in apparatus of the class des .:.ribi-:d, the conihinalion Will) a Ship, of a (table can i -xin a hook intermediate he ends adapter to engage the skip in the lin'ward nioi'e nentl oi? the hoolt. (hiring means applied. to the forward end ol the eahle, and a Weigl'it applied to the other end of the cable, substantially as Set. forth.

In apparatus for feeding material to roi-lq-hrea zing' roll the eomhii ation with a 'wltllh m? a eahle positioned ohliqiiely in a verti 'al plane erossi'ie; the position ot the rolls and aseending as it ap n-oaehes said position, pnlleya, orer \\'l]l('ll said eahle rims, driving ineansapplied to taid cable, a hook connected to the e: hle and adapted to engage the rear of the ship in the IiOliVtlHjl ascending niorement of the hoe and to di ngage the ship in the harltward descending; ll'lfifkllljllinl oi the hook. a plal'ilorin over \vlii h the Ski p is adapted to J lide in its il'orward movement, and means 'l'or storming the forward end of the elcip in dumping: POFiliOI']. whereby the Ship tilled and dnn'iped, substantially an set l'orlh.

-l. in apparatus 'l ornnloadingand'dinnpinn skip? a hopper, a platform atjaeent, lheret l and haying means thereon ior stopping the forward n iorenient of the Skip to damp the eontents thereof into the hoppen means tor engaging the skip and moving it,

lorvard and into damping position, and. means i'ol' automatically disengaging the last mentioned means from the bliipfilldl'w tin-nine: said last mentioned means to its initial position, substantially as de 'ioeeh 'lhis specification signed and witnessed this 28th day of Noreniliier, 1911.

THOMAS llDlSON. 

